Durante la guerra vio cosas que lo trastornaron y jamás volvió a ser el mismo.He was disturbed by the things he saw during the war and he was never the same again.
Anoche no pude pegar ojo porque los ladridos de un perro me trastornaron.Last night, I couldn't sleep a wink because a dog's barking was driving me mad.
La pobre actuación de los defensores trastornó al entrenador, que no paraba de gritarles.The coach was troubled by the defense's poor performance and yelled at them constantly.
Los ladrones trastornaron todos los objetos de la casa hasta que encontraron el dinero.The burglars turned everything in the house upside down until they found the money.
trastornarse
Un verbo pronominal siempre usa un pronombre reflexivo. (p. ej. Te ves cansado.).